12. Bölüm

Terrence Hardiman

Trofim Lysenko

David Swift

Nikolai Vavilov

Simon Lack

Zhukovsky

Richard Ireson

Prezent

George Cormack

Ivan Michurin

Forbes Collins

Iakovlev

Richard Beale

Lysenko's Father

Noel Davis

Scientist

Michael David

Agrobiologist

David James

Gorshkov

Brian Poyser

Shudenko

Eve Karpf

Woman

Frank Gillard

Narrator (voice)